global refactoring and fixes,

removed support of extracted(aligned) PNG faces. Use old builds to convert from PNG to JPG.

fanseg model file in facelib/ is renamed

core/leras/layers/__init__.py

@@ -0,0 +1,12 @@
+from .Saveable import *
+from .LayerBase import *
+
+from .Conv2D import *
+from .Conv2DTranspose import *
+from .Dense import *
+from .BlurPool import *
+
+from .BatchNorm2D import *
+from .FRNorm2D import *
+
+from .TLU import *